for members i get the title tab as their nickname, but i see what you mean about the meta in page souce.  The only way your going to do this is via a plugin, the reason why is that you can go in and edit the code and hard code the values via variables but your going to loose it all come update time. 

So basically someone needs to come out with a meta plugin.  Also send a message to dixie, she had mentioned that they were working on a major change to the way the meta's were done.  Check to see if this issue will be resolved in the next version update.

We also need to remind developers of plugins that the plugins IMO need to be meta friendly and display the correct information and not just the default all the time.

:)

Chris check this out, some of this designed to be temp as oxwall is working on a fix fo 1.6

Random Meta description

http://www.oxwall.org/forum/topic/11128?page=1#post-55812

Randon Meta keywords

http://www.oxwall.org/forum/topic/9710?page=1#post-55809

Random title

http://www.oxwall.org/forum/topic/11118?page=1#post-55767